xxi

听听怎么读
是什么意思
  • num.

    罗马数字 21;

  • 英英释义

    xxi

    • n.the cardinal number that is the sum of twenty and one

      同义词:twenty-one21

    • adj.being one more than twenty

      同义词:twenty-one21

    学习怎么用

    权威例句

    Água no século XXI: enfrentando a escassez
    STUDIES ON EXPERIMENTAL HYPERTENSION : XXI. THE PURIFICATION OF RENIN
    A Universidade no Século XXI: para uma reforma democrática e emancipatória da Universidade
    Declaración mundial sobre la educación superior en el siglo XXI.
    Combined report on regular dialysis and transplantation in Europe, XXI, 1990
    Vibrational analysis of peptides, polypeptides, and proteins. XXI. β-Calcium-poly( L -glutamate)
    STRUCTURAL CHEMISTRY OF ORGANOTIN CARBOXYLATES. XXI. CRYSTAL STRUCTURE OF DI-TERT-BUTYLTIN ΒIS(ΡICOLIΝATE) : Main Group Metal Che...
    O Brasil: território e sociedade no início do século XXI. Santos, Milton & Silveira, Maria Laura. São Paulo, Editora Record, 200...
    Interaction of metal ions with polynucleotides and related compounds. XXI. Metal ions as agents for the stacking of nucleotides. A s...
    Declaración mundial sobre la educación superior en el siglo XXI: visión y acción. Documento aprobado por la Conferencia mundial ...
    x开头的单词
    词汇所属分类
    字母词汇表更多
    d开头的单词
    p开头的单词
    y开头的单词
    分类词汇表更多
    影视剧
    以人为本
    口笔译
    人名姓氏表更多
    男/女
    雅思预测